GB1148818A - A method of packing powder for molding of fluorine-containing resins - Google Patents

A method of packing powder for molding of fluorine-containing resins

Info

Publication number
GB1148818A
GB1148818A GB5196767A GB5196767A GB1148818A GB 1148818 A GB1148818 A GB 1148818A GB 5196767 A GB5196767 A GB 5196767A GB 5196767 A GB5196767 A GB 5196767A GB 1148818 A GB1148818 A GB 1148818A
Authority
GB
United Kingdom
Prior art keywords
vinyl
copolymer
per cent
container
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5196767A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Publication of GB1148818A publication Critical patent/GB1148818A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

1,148,818. Storing synthetic resin in portable containers. DAIKIN KOGYO K.K. 15 Nov., 1967 [16 Nov., 1966], No. 51967/67. Headings B8C and B8D. The invention is based on the discovery that discoloration in mouldings from fluorine-containing resin results from storing the resin in containers of polyethylene, polypropylene or polyvinylchloride. The invention overcomes this by providing a layer of another polymer, from a specified list, between the container and the resin powder. The layer may be in the form of a coating on the inside of the container or of a bag enclosed within the container. The protecting layer can be any of: polyvinyl alcohol, a polyester, polyvinylidene chloride, a copolymer of vinylidene chloride and vinyl chloride containing at least 75 wt. per cent vinylidene chloride, a copolymer of vinyl acetate and vinyl chloride containing 5 to 60 wt. per cent vinyl acetate, a copolymer of vinyl ester of a higher aliphatic carboxylic acid of 10 to 20 carbon atoms and vinyl chloride containing 1 to 10 wt. per cent of said vinyl ester, and a copolymer of a higher alkyl (C 10 to C 20 ) vinyl ether and vinyl chloride containing 1 to 10 wt. per cent of said ether. Preferred polyesters are condensation products of dibasic acids, such as terephthalic acid, isophthalic acid and phthalic anhydride, and glycols, such as ethylene glycol, propylene glycol. The resins to be packed have melting points of more than 200‹ C. and include polytetrafluoroethylene, polyvinyl fluoride, polyvinylidene fluoride, polychlorotrifluoroethylene, tetrafluoroethylene - hexafluoropropylene copolymer and tetrafluoroethylene - vinyl fluoride copolymer.
GB5196767A 1966-11-16 1967-11-15 A method of packing powder for molding of fluorine-containing resins Expired GB1148818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7533666 1966-11-16

Publications (1)

Publication Number Publication Date
GB1148818A true GB1148818A (en) 1969-04-16

Family

ID=13573297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5196767A Expired GB1148818A (en) 1966-11-16 1967-11-15 A method of packing powder for molding of fluorine-containing resins

Country Status (1)

Country Link
GB (1) GB1148818A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237790A (en) * 1989-11-10 1991-05-15 Ici Plc Container for hazardous materials adapted for safe disposal or reuse
EP0468244A2 (en) * 1990-07-27 1992-01-29 RUDOLF WILD GmbH & Co. INTERNATIONAL KG Reuseable container of synthetic material and its fabrication and use

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237790A (en) * 1989-11-10 1991-05-15 Ici Plc Container for hazardous materials adapted for safe disposal or reuse
GB2237790B (en) * 1989-11-10 1994-05-11 Ici Plc A method of removing chemical residues from a container
EP0468244A2 (en) * 1990-07-27 1992-01-29 RUDOLF WILD GmbH & Co. INTERNATIONAL KG Reuseable container of synthetic material and its fabrication and use
EP0468244A3 (en) * 1990-07-27 1993-01-07 Rudolf Wild Gmbh & Co. International Kg Reuseable container of synthetic material and its fabrication and use

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